Fix initial color of statusbar notif icons

Flag: ACONFIG com.android.systemui.notifications_icon_container_refactor DEVELOPMENT
Fixes: 313603442
Bug: 278765923
Test: atest SystemUITests
Test: Reboot device, receive notifications, unlock, observe icons are
      colored correctly
Change-Id: Ide6b97e1ef459ab44d74293b565ee961921bdb58